How much flood risk does Thurston County actually carry?
Thurston County lands at the 19th percentile of FEMA's National Risk Index for flooding, "Very Low" territory — among the lowest flood hazard in the country — with the hazard driven by inland rivers and flash flooding rather than the coast — FEMA's model puts a flood event here at about once every 1 years. This describes the county, not any one street — FEMA only publishes exact parcel zones through a live map service.
Thurston County's flood-insurance compliance gap
Out of 129 homes FEMA counts inside Thurston County's mapped flood zone, 0 carry the flood policy federal law requires there — 0% compliance, short of full coverage. Across all residential structures in Thurston County, not just the ones FEMA mandates, 0% carry an NFIP policy — most flood damage nationally happens outside the mapped high-risk zone, so that broader number matters too.
Where Thurston County ranks
Thurston County sits at rank 2588 of 3144 counties on FEMA's flood hazard scale (1 is worst) and rank 2685 of 3144 by population (1 is biggest). Thurston County, Nebraska covers 393.592 square miles and counts roughly 6,637 residents.
Your street may differ from Thurston County's average
0 of Thurston County's 3,426 residential structures carry flood coverage of some kind, per FEMA's latest count — useful context, not a substitute for checking one parcel.
More on how this number was built
The methodology guide shows exactly which FEMA and Census tables feed Thurston County's numbers. The guide to what the Special Flood Hazard Area actually means explains why the mandatory-insurance rule exists and who it applies to.